losing coolant

Discussion in 'Trucks [ Eighteen Wheelers ]' started by 99kww900l, Jan 16, 2014.

  1. baha

    baha Road Train Member

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    CAT. ENG. shop will be best type shop to get motor work done at$. how many Mi. and how soon do you ck. additives in eng.
     
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  3. 99kww900l

    99kww900l Bobtail Member

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    Jan 16, 2014
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    Head gasket was replaced in May, 2010, so that would be around 375,000 miles ago. Oil and water are checked frequently. Water usually checked every 2000 to 2500 miles. Oil more often than that. These is no oil in water, no water in oil (that I can see) and no water in fuel.
     
  4. johnnyreb0706

    johnnyreb0706 Light Load Member

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  5. 99kww900l

    99kww900l Bobtail Member

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    There is no EGR on this truck.
     
    CondoCruiser Thanks this.
  6. johnnyreb0706

    johnnyreb0706 Light Load Member

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    If you have egr, could be the cooler. If not, I'm leaning towards head gasket. A pressure check and oil sample should reveal the cause
     
  7. 99kww900l

    99kww900l Bobtail Member

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    O.K. Thank you. Having pressure check done tomorrow.
     
  8. baha

    baha Road Train Member

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    sounds good if its blowing out ex. old way is hang a sheet of anything infrount of ex/pipe hi/idle an see what runs down it after some time, Drain some oil into a clean cup run it or mail it to oil anil. lab, they will tell you if any water/anti,free is in oil. speedco,TA.petro have machine to ck. oil inside shop.
     
  9. 99kww900l

    99kww900l Bobtail Member

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    Thanks. I will do that.
     
    baha Thanks this.
  10. johnnyreb0706

    johnnyreb0706 Light Load Member

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    Let us know what they tell you. Hope it's not too expensive
     
  11. 99kww900l

    99kww900l Bobtail Member

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    Thanks. I hope it's not too expensive too! But, with my luck we're looking at big money!!!!
     
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